Article published the December 18, 2019
Introduction
Respiratory infections particularly those in which bacterial pathogens are involved (Glisson, 1998), are some of the most serious diseases of poultry (van Empel and Hafez, 1999). Increased mortality, increased costs of medication, increased condemnation rates, drops in egg production, reduction in shell quality, and decreased hatchability directly associated with these respiratory in ...
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